名校
1 . 如图,已知三棱台
的体积为
,平面
平面
,
是以
为直角顶点的等腰直角三角形,且
,
平面
;
(2)求点
到面
的距离;
(3)在线段
上是否存在点
,使得二面角
的大小为
,若存在,求出
的长,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e57f00c8225a33458a6b62bff0dcc16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a2e10a5aebe40a9018d5ee3ade7af8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67fe4be64d44a1213970572a04eb5fcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ffc6952e988d04f22f0fb2f7f0ab7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9a8181f7a7fe7f3fac872ce9534f15.png)
(3)在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f637bf133818d36ad04ce78d3a6cc80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
您最近一年使用:0次
2024-05-04更新
|
2371次组卷
|
6卷引用:温州人文高级中学2023-2024学年高一年级下学期5月月考数学试题
温州人文高级中学2023-2024学年高一年级下学期5月月考数学试题浙江省宁波市镇海中学2023-2024学年高一下学期期中考试数学试卷河北省保定市曲阳县第一高级中学2023-2024学年高一下学期5月月考数学试卷浙江省绍兴市第一中学2024届高三下学期5月模拟数学试题四川省泸州市泸县第五中学2023-2024学年高一下学期6月月考数学试题(已下线)第六章:立体几何初步章末综合检测卷(新题型)-【帮课堂】(北师大版2019必修第二册)
名校
解题方法
2 . 已知点A(−2,0),B(2,0),动点M(x,y)满足直线AM与BM的斜率之积为−
.
(1)求M的轨迹;
(2)过坐标原点的直线交M的轨迹于P,Q两点,点P在第一象限,PE⊥x轴,垂足为E,连结QE并延长交M的轨迹于点G.
①证明:
是直角三角形;
②求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(1)求M的轨迹;
(2)过坐标原点的直线交M的轨迹于P,Q两点,点P在第一象限,PE⊥x轴,垂足为E,连结QE并延长交M的轨迹于点G.
①证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59a0a6891259bf27be2280c6b6ba7430.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59a0a6891259bf27be2280c6b6ba7430.png)
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3 . 平面直角坐标系中,圆M经过点
,
,
.
(1)求圆M的标准方程;
(2)设
,过点D作直线
,交圆M于PQ两点,PQ不在y轴上.
①过点D作与直线
垂直的直线
,交圆M于EF两点,记四边形
的面积为S,求S的最大值;
②设直线OP,BQ相交于点N,试证明点N在定直线上,求出该直线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b42d63fab09f90a520a52c87ab3eb39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab400b66fae56036c1e66c1e0a8fb899.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9e157d75836912739cfa68013a48f07.png)
(1)求圆M的标准方程;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d29d7fac4f150927e672507bdb26285.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
①过点D作与直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebcad0585886e2d7bac28a0e292a1d37.png)
②设直线OP,BQ相交于点N,试证明点N在定直线上,求出该直线方程.
您最近一年使用:0次
名校
4 . 如图,点C是以AB为直径的圆O上的一个动点,点Q是以AB为直径的圆O的下半个圆(包括A,B两点)上的一个动点,
,则
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a547a90936ff4635dd6d5f303e12986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32979e540e6770ffc0f6417395ec5c74.png)
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解题方法
5 . 在正四面体
中,
分别为
和
的中点,则异面直线
与
所成角的余弦值______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4278c0911e7df78965e78cff69cac5f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94165c5047e68e952df7a8dc6dc32fda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/167d31eb8432b5c0364316e5048c23dd.png)
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解题方法
6 . 已知正方体
棱长为2,P为空间中一点.下列论述错误的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/ba338d41-1398-4e4d-8c60-439616c4e6a9.png?resizew=165)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/ba338d41-1398-4e4d-8c60-439616c4e6a9.png?resizew=165)
A.若![]() ![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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7 . 椭圆
:
的右焦点是
,且经过点
;直线
与椭圆
交于
,
两点,以
为直径的圆过原点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/15/a0c8de6a-87c3-4d6b-ba75-15441cedc597.png?resizew=168)
(1)求椭圆
的方程;
(2)当直线AB的斜率为2时,求AB的长度;
(3)若过原点的直线
与椭圆
交于
,
两点,且
,求四边形
面积的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/347b68f42934c74e0d759a67613a1da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcff4d18e7de14c67260bb44aabb3315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eacbf21e62770e616be5bdf6a2df4c3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/15/a0c8de6a-87c3-4d6b-ba75-15441cedc597.png?resizew=168)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)当直线AB的斜率为2时,求AB的长度;
(3)若过原点的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6742c3b6b534a079f7fc6b7583cb73a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c593ebdb2f1934a0cb56f8c44f454f8.png)
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2024-01-24更新
|
776次组卷
|
2卷引用:浙江省杭州市富阳区江南中学2023-2024学年高二上学期12月月考数学试卷
8 . 在
中,
,
.若空间点
满足
,则直线
与平面
所成角的正切的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09cf17ee13e937cd8b84879da17d15b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4acb67ef5fdc27bea83a0d5df35747c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7405226cb43a9a109a969e8c88a1fe13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
您最近一年使用:0次
2024-01-24更新
|
167次组卷
|
2卷引用:浙江省杭州市富阳区江南中学2023-2024学年高二上学期12月月考数学试卷
名校
解题方法
9 . 已知函数
,若关于x的方程
有4个实数解
,且
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8df36591aa37a1797202ea979694d35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/976d18a5396ba232f0aa38d136f1d749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ccd22fd0ca1a8e1468329284f91b6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd0e2d75b5268cda6f82aeb10a70d970.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 如图,锐角
内接于
的平分线交AC于点D,连接 DO并延长交AB于点E,设
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/8/8cdd39cf-044f-4efe-ad14-91463381491a.png?resizew=147)
(1)当
时,求证:
;
(2)当
时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce243143b38fe2de91f3d307564c89d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5ef05f8d2b1822559d84b70f05993a1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/8/8cdd39cf-044f-4efe-ad14-91463381491a.png?resizew=147)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500d68f2678989a5ce7431cfd51b019d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c436f108fd4921dae15ecff19270237e.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5181b97a7e43959b8455680157c3b644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次